Owner's Manual
Page 557
... #2, Category LB or GC-LB. Drive Front Axle SAE 75W-90 Synthetic (1500, Axle Lubricant 2500 HD, and (GM Part No. Fluid/Lubricant Engine oil which meets GM Standard GM6094M and displays the American...the maintenance schedule section in (GM U.S. 89021671, Four-Wheel Canada 89021672). SAE Part No. U.S. 89021677, 3500 HD in (GM System Canada 89021320). Usage 6-15 Front Axle 80W-90 (1500 Series) - To determine the ... No. Axle Lubricant in the DURAMAX® Diesel manual. Recommended Fluids and Lubricants This maintenance section applies to vehicles with a gasoline engine.
... #2, Category LB or GC-LB. Drive Front Axle SAE 75W-90 Synthetic (1500, Axle Lubricant 2500 HD, and (GM Part No. Fluid/Lubricant Engine oil which meets GM Standard GM6094M and displays the American...the maintenance schedule section in (GM U.S. 89021671, Four-Wheel Canada 89021672). SAE Part No. U.S. 89021677, 3500 HD in (GM System Canada 89021320). Usage 6-15 Front Axle 80W-90 (1500 Series) - To determine the ... No. Axle Lubricant in the DURAMAX® Diesel manual. Recommended Fluids and Lubricants This maintenance section applies to vehicles with a gasoline engine.